EP1213733A2 - Wasserdichter Schalter - Google Patents

Wasserdichter Schalter Download PDF

Info

Publication number
EP1213733A2
EP1213733A2 EP01123862A EP01123862A EP1213733A2 EP 1213733 A2 EP1213733 A2 EP 1213733A2 EP 01123862 A EP01123862 A EP 01123862A EP 01123862 A EP01123862 A EP 01123862A EP 1213733 A2 EP1213733 A2 EP 1213733A2
Authority
EP
European Patent Office
Prior art keywords
seal
panel
base
waterproof switch
seal portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP01123862A
Other languages
English (en)
French (fr)
Other versions
EP1213733A3 (de
EP1213733B1 (de
Inventor
Makoto Yamanaka
Sekino Yutaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Niles Parts Co Ltd
Nissan Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Niles Parts Co Ltd, Nissan Motor Co Ltd filed Critical Niles Parts Co Ltd
Publication of EP1213733A2 publication Critical patent/EP1213733A2/de
Publication of EP1213733A3 publication Critical patent/EP1213733A3/de
Application granted granted Critical
Publication of EP1213733B1 publication Critical patent/EP1213733B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H2009/048—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings using a sealing boot, e.g. the casing having separate elastic body surrounding the operating member and hermetically closing the opening for it

Definitions

  • the present invention relates to a waterproof switch used in an door such as a tail gate, a backdoor, a trunk lid and the like of a motor vehicle.
  • Fig. 1 is a cross sectional view showing an opening and closing mechanism of a tail gate for opening and closing a rear opening of a motor vehicle.
  • a tail gate 101 forms a closed sectional structure by combining an outer panel OP and an inner panel IP, and has a lock apparatus 103 in a lower portion thereof.
  • the lock apparatus 103 is structured such that a latch is engaged with and disengaged from a striker 107 provided in a rear opening 105 of a vehicle body, whereby the lock apparatus 103 can lock the tail gate 101 and cancel the lock of the tail gate 101 with respect to a side of the vehicle body.
  • An operation handle 109 is supported to the tail gate 101. The operation handle 109 and the lock apparatus 103 are interlocked by a connecting rod 111.
  • the lock apparatus 103 is structured such as to be driven by a solenoid, a waterproof switch is provided in place of the operation handle 109 and the lock and the lock cancellation of the lock apparatus 103 are executed by the waterproof switch, it is possible to restrict the play, reduce the operation load and further reduce the weight as a whole, as is different from the link connection.
  • a seal member such as an O-ring or the like is required within and out of the outer panel OP, so that a number of the parts is increased, and it becomes troublesome to assemble and control the parts, whereby a cost is increased.
  • An object of the present invention is to provide a waterproof switch which can electrically open and close an door of a vehicle body by a switch, for example, in the manner mentioned above, can previously make a seal member for proofing water hold in a side of the waterproof switch, and can sufficiently proof water within and out of a panel without increasing a number of parts.
  • a waterproof switch comprising:
  • a waterproof switch as recited in the first aspect, further comprising an engagement hole provided in one of the mounting and engaging portion of the case and the base and an engagement convex portion provided in the other, wherein the case is slid with respect to the base so as to engage the engagement hole with the engagement convex portion, and the seal assist portion presses the base seal portion to the seal surface of the base.
  • a waterproof switch as recited in the second aspect, wherein the seal assist portion of the case is constituted by a flange-shaped panel seal assist portion closely in contact with the panel seal portion, and an orbital-shaped base seal assist portion protruding from the panel seal assist portion and having a front end pressing the base seal portion.
  • a waterproof switch as recited in the third aspect, wherein the case has a drain hole communicating with an outer peripheral side of the base seal assist portion.
  • a waterproof switch as recited in any one of the first to fourth aspects, wherein the panel seal portion of the seal member has a crushed margin in an outer peripheral side of a surface opposing to the panel.
  • the seal member is provided with the head cover portion covering the head portion of the push rod of the waterproof switch, the panel seal portion opposing to the panel around the hole of the panel to which the waterproof switch is mounted, and the base seal portion disposed in the panel seal portion with an interval and opposing to the seal surface of the base around the push rod, the seal assist portion of the case is interposed between the panel seal portion of the seal member and the base seal portion, the mounting and engaging portion of the case is mounted to the base in such a manner as to freely engage with and disengage from the base.
  • the seal assist portion presses the base seal portion to the seal surface of the base in this mounting state, supports the panel seal portion and closely attaches the panel seal portion to the panel at a time of mounting the base to the side of the panel so as to establish a seal.
  • the head cover portion since the head portion of the push rod is covered by the head cover portion.
  • the panel seal portion is closely in contact with the panel in the periphery of the hole of the panel so as to establish the seal.
  • the base seal portion is pressed to the seal surface of the base so as to establish the seal.
  • the water which is going to penetrate from an external portion of the hole of the panel facing to the head portion of the push rod can be waterproofed by the head cover portion and the panel seal portion. Further, with respect to the water penetrating to an inner portion of the panel from the other portions, it is possible to waterproof by the base seal portion. Accordingly, it is possible to sufficiently achieve a waterproof inside and outside the panel.
  • the head cover portion, the panel seal portion and the base seal portion can be integrally formed as the seal member, a number of the parts can be reduced, it becomes easy to control parts and assemble, and it is possible to reduce a cost.
  • seal member can be held by attaching the case to the base before attaching the waterproof switch to the side of panel, an assembling operation can be executed in a significantly easy manner.
  • the lock apparatus provided in the door of the vehicle body is electrically locked or cancelled from the locked state by the waterproof switch, the play becomes significantly less than that of the link connection, it is possible to reduce an operating force and it is possible to reduce the weight.
  • the waterproof switch has the engagement hole provided in one of the mounting and engaging portion of the case and the base and the engagement convex portion provided in the other.
  • the case is slid with respect to the base so as to engage the engagement hole with the engagement convex portion, and the seal assist portion presses the base seal portion to the seal surface of the base, it is possible to securely make the assembly of the seal member easy and it is possible to securely waterproof in the side of the inner portion of the panel.
  • the seal assist portion of the case is constituted by the flange-shaped panel seal assist portion closely in contact with the panel seal portion, and the orbital-shaped base seal assist portion protruding from the panel seal assist portion and having the front end pressing the base seal portion, it is possible to securely press the base seal portion by the seal surface of the base by means of the orbital-shaped base seal assist portion when attaching the case to the base. Further, when attaching the base to the side of the panel, it is possible to securely bring the panel seal portion into close contact with the side of the panel by an assistance of the panel seal assist portion. Accordingly, it is possible to more securely achieve a waterproof function.
  • the drain hole communicating with the outer peripheral side of the base seal assist portion since the case has the drain hole communicating with the outer peripheral side of the base seal assist portion, the water penetrating to the outer peripheral side of the base seal assist portion is discharged to the external portion from the drain hole, and it is possible to restrict a secondary problem caused by the water stored in the portion mentioned above.
  • the panel seal portion of the seal member has the crushed margin in the outer peripheral side of the surface opposing to the panel, the crushed margin is crushed at a time of closely bringing the panel seal portion into contact with the panel, whereby it is possible to achieve a secure waterproof.
  • Figs. 2 to 4 show an embodiment in accordance with the present invention, in which Fig. 2 is a perspective view of a rear portion of a motor vehicle showing a mounting position, Fig. 3 is a cross sectional view of a mounting state and Fig. 4 is an exploded perspective view.
  • a waterproof switch in accordance with an embodiment of the present invention is structured such that an opening and closing operation switch SW.
  • the opening and closing operation switch SW is attached to a tail gate TG serving as an door of a vehicle body so as to open and close a rear opening of a motor vehicle.
  • the opening and closing operation switch SW can be also provided as an opening and closing operation switch for a backdoor, a trunk lid and a side door.
  • the tail gate TG is structured such that a main body is constituted by an outer panel OP and an inner panel IP, and the opening and closing operation switch SW is attached to a side of the outer panel OP corresponding to a panel.
  • the opening and closing operation switch SW and a lock apparatus RK are electrically connected by a harness WH and is structured such as to drive a latch by a solenoid or a motor in the lock apparatus RK on the basis of an operation of the opening and closing operation switch SW and cancel an engagement of a vehicle body opening 105 with a striker 107, thereby canceling a locking state of the tail gate TG.
  • reference symbol F denotes a finisher trimming a periphery of a license plate attached to a concave portion formed below the tail gate TG.
  • the opening and closing operation switch SW is provided with a base 1, a push rod 3, a seal member 5 and a case 7, as shown in Figs. 3 and 4.
  • the base 1 is formed by a synthetic resin such as a nylon or the like, and is provided with a support hole 9 in which the push rod 3 is supported so as to freely move forward and backward.
  • a pair of terminals 11 and 13 are assembled in an inner surface of the support hole 9 in accordance with an insert molding.
  • a spring receiving convex portion 15 is projected from a back side of the support hole 9.
  • a seal surface 17 is provided around an opening side of the support hole 9.
  • a engaging convex portions 19 are provided on an outer surface of the base 1, for example, at four portions. Further, a mounting portion 21 is projected from the base 1. A through hole 21a for screwing is provided in the mounting portion 21.
  • the push rod 3 has a head portion 23 and a spring support convex portion 25.
  • the head portion 23 is formed in a rectangular shape, and the spring support convex portion 25 is protruded in a columnar shape.
  • a support hole 27a of a leaf spring 27 is fitted to the spring support convex portion 25.
  • Contact portions 27b and 27c are provided in the leaf spring 27. In a state shown in Fig. 3, one contact portion 27b is in contact with one terminal 11 within the support hole 9, and another contact portion 27c is in contact with an inner wall surface of the support hole 9 at a position out of another terminal 13. Further, one end of a coil spring 29 is attached to the spring support convex portion 25 of the push rod 3 so as to be fitted thereto, and another end of the coil spring 29 is attached to the spring receive convex portion 15 so as to be fitted thereto.
  • the push rod 3 is supported to the base 1, and is structured such as the head portion 23 facing from a hole OPa of the outer panel OP is pressed, whereby the push rod 3 moves against the urging force of the coil spring 29, and the contact portions 27b and 27c are brought into contact with the terminals 11 and 13, whereby the push rod 3 opens or closes the contact point.
  • the seal member 5 is provided with a head cover portion 31, a panel seal portion 33 and a base seal portion 35, and is integrally formed by an elastic body such as a rubber or the like.
  • the head cover portion 31 is formed in a shape covering the head portion 23 of the push rod 3.
  • the panel seal portion 33 is structured such as to oppose to and be closely in contact with the outer panel OP in the periphery of the hole OPa of the outer panel OP.
  • a rib 33a corresponding to a crushed margin is provided in the panel seal portion 33 all around the circumference in an outer peripheral side of a surface opposing to the outer panel OP.
  • the base seal portion 35 is provided in parallel to the panel seal portion 33 with an interval, and is provided in an outer periphery of an opening end of the head cover portion 31.
  • the base seal portion 35 is structured such as to oppose to and be closely in contact with the seal surface 17 of the base 1 in the periphery of the push rod 3.
  • the case 7 is structured such that a mounting and engaging portion 37 and a seal assist portion 39 are integrally formed by a resin such as a nylon or the like.
  • the mounting and engaging portion 37 is structured such as to be fitted to an outer periphery of a barrel portion 1a of the base 1, and is provided with engaging holes 41 engaging with the engaging convex portion 19 at four portions in the periphery thereof.
  • the seal assist portion 39 is constituted by a flange-like panel seal assist portion 43 being closely in contact with a back surface of the panel seal portion 33, and a base seal assist portion 45 protruding from the panel seal assist portion 43 and having a front end formed as an orbital-shaped rib pressing the base seal portion 35.
  • drain holes 47 communicating with an outer peripheral side of the base seal assist portion 45 are provided in the case 7, for example, at four portions.
  • a front surface of the case 7 forms an opening 49 for fitting the base seal portion 35 of the seal member 5 thereto.
  • the seal member 5 is previously attached before attaching the opening and closing operation switch SW to the back door BD. That is, in an exploded state as shown in Fig. 4, the base seal portion 35 of the seal member 5 is fitted into the case 7 from the opening 49 of the case 7, and the seal assist portion 39 of the case 7 is interposed between the panel seal portion 33 of the seal member 5 and the base seal portion 35 thereof.
  • the panel seal assist portion 43 is brought into contact with a back surface of the panel seal portion 33 in the seal member 5, and a front end of the base seal assist portion 45 is brought into contact with a back surface of the base seal portion 35 in the seal member 5.
  • one side of the coil spring 29 is fitted and supported to the spring receiving convex portion 15 of the base 1
  • the mounting hole 27a of the leaf spring 27 is fitted to the spring support convex portion 25 of the push rod 3 and the spring support convex portion 25 is fitted to another end side of the coil spring 29, whereby the push rod 3 is temporarily held to the side of the base 1.
  • case 7 temporarily holding the seal member 3 is fitted to the barrel portion 1a from one side of the base 1 in a pressing manner.
  • the side of the mounting and engaging portion 37 of the case 7 slides with respect to the barrel portion 1a of the base 1, the engaging hole 41 is engaged with the engaging convex portion 19, and the case 7 is fixed to the base 1.
  • the base seal portion 35 of the seal member 5 is closely in contact with the seal surface 17 of the base 1 as shown in Fig. 3, and the base seal assist portion 45 slightly eats into the back surface of the base seal portion 35, thereby being in a state of pressing the base seal portion 35 to the seal surface 17. Accordingly, it is possible to secure a sufficient seal performance in the seal surface 17 by the base seal portion 35.
  • the side of the head portion 23 of the push rod 3 faces from the hole OPa of the outer panel OP as shown in Fig. 3, and the panel seal portion 33 is pressed to the outer panel OP in the periphery of the hole OPa, whereby the crushed margin 33a is closely in contact therewith in a crushing manner. Accordingly, it is possible to secure a sufficient seal property in the periphery of the hole OPa of the outer panel OP by the panel seal portion 33.
  • the panel seal portion 33 is closely in contact with the inner surface side of the outer panel OP, whereby it is possible to securely prevent the rainwater or the like from penetrating. Further, there is a case that the rainwater or the like penetrates to a portion between the outer panel OP and the inner panel IP in the tail gate TG.
  • the base seal assist portion 45 in the case 7 presses the base seal portion 35 to the seal surface 17 of the base 1, thereby sealing, so that the rainwater or the like does not penetrate into the base 1 and a loose connection or the like is not generated.
  • the push rod 3 of the opening and closing operation switch SW is pressed at the head portion 23 thereof via the head cover portion 31 of the seal member 5. Due to this pressing operation, the push rod 3 moves against the urging force of the coil spring 29, and the contact portions 27b and 27c of the leaf spring 27 are simultaneously in contact with the terminals 11 and 13. Due to this contact, the solenoid of the lock apparatus RK or the motor is energized and the latch is driven so as to be taken out from the striker 107, whereby the lock of the tail gate TG is cancelled. At this time, the head cover portion 31 of the seal member 5 is easily bent and does not prevent the push rod 3 from being pressed.
  • the push rod 3 When canceling the pressing operation of the opening and closing operation switch SW, the push rod 3 is pressed out due to a restoring force of the coil spring 29 and can be easily returned to the state shown in Fig. 3. Due to this return, when closing the tail gate TG, the latch is engaged with the striker 107 and can be again in the lock state.
  • the seal member 5 it is possible to previously support the seal member 5 to the side of the base 1 via the case 7 before mounting the opening and closing operation switch SW to the outer panel OP of the tail gate TG, so that it is possible to significantly easily perform the mounting operation of the opening and closing operation switch SW to the tail gate TG. Further, since one seal member 5 achieves the seal between the outer panel OP and the opening and closing operation switch SW and the waterproof against the opening and closing operation switch SW within the tail gate TG, the number of the parts can be reduced, it is possible to easily control and mount the parts, and it is possible to reduce the cost.
  • the lock apparatus RK provided in the tail gate TG corresponding to the door of the vehicle body is electrically locked and cancelled from the locked state by the opening and closing operation switch SW, the play is significantly reduced in comparison with the link-connection, it is possible to reduce the operating force and it is possible to reduce the weight.
  • the opening and closing switch SW is directly mounted to the outer panel OP of the tail gate TG, however, the structure is not limited to this, and the opening and closing switch SW may be mounted to a finisher F or the like provided in the outer panel OP. Accordingly, the constituting element described as the panel in the aspects in accordance with the present invention is not limited to the outer panel and the inner panel themselves constituting the door, and can include the other members such as a finisher, an escutcheon, a trim and the like mounted to the inner panel.
  • the waterproof switch in accordance with the present invention is not limited to the opening and closing operation switch shown as the embodiment mentioned above, but can be used a so-called door switch for detecting the opening and closing state of various kinds of door including the side door in the motor vehicle.

Landscapes

  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP01123862A 2000-12-06 2001-10-05 Wasserdichter Schalter Expired - Lifetime EP1213733B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000372070 2000-12-06
JP2000372070A JP3907403B2 (ja) 2000-12-06 2000-12-06 防水スイッチ

Publications (3)

Publication Number Publication Date
EP1213733A2 true EP1213733A2 (de) 2002-06-12
EP1213733A3 EP1213733A3 (de) 2004-08-18
EP1213733B1 EP1213733B1 (de) 2010-09-15

Family

ID=18841671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01123862A Expired - Lifetime EP1213733B1 (de) 2000-12-06 2001-10-05 Wasserdichter Schalter

Country Status (4)

Country Link
US (1) US6576854B2 (de)
EP (1) EP1213733B1 (de)
JP (1) JP3907403B2 (de)
DE (1) DE60143072D1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2090728A2 (de) * 2008-02-18 2009-08-19 Zanini S.p.A. Entsperrvorrichtung, insbesondere für Kraftfahrzeugtüren
WO2012093219A1 (fr) * 2011-01-06 2012-07-12 Peugeot Citroen Automobiles Sa Commande d'ouverture de l'ouvrant arriere d'un vehicule automobile fixee sur le pare-choc de ce vehicule.
CN105050841B (zh) * 2013-03-15 2017-03-29 本田制锁有限公司 车辆用按钮开关装置

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100506923B1 (ko) * 2003-11-01 2005-08-08 기아자동차주식회사 자동차의 테일게이트용 오버슬램범퍼
JP2007039920A (ja) * 2005-08-01 2007-02-15 Toyota Motor Corp 車両用ハンドル装置
JP4830657B2 (ja) * 2005-08-25 2011-12-07 パナソニック株式会社 車両用スイッチ
JP2007287560A (ja) * 2006-04-19 2007-11-01 Yuhshin Co Ltd 防水スイッチ
JP4767125B2 (ja) * 2006-08-09 2011-09-07 三井金属アクト株式会社 ラッチ解除操作装置
JP4891827B2 (ja) * 2007-03-30 2012-03-07 株式会社アルファ ハンドル装置
JP5021422B2 (ja) * 2007-10-31 2012-09-05 株式会社ユーシン スイッチ装置の防水構造
US8382167B2 (en) * 2008-08-07 2013-02-26 Chrysler Group Llc Liftgate latch linear cable switch
DE102009046704A1 (de) * 2009-07-15 2011-01-20 Huf Hülsbeck & Fürst Gmbh & Co. Kg Elektrischer Schalter
US8294050B2 (en) 2010-06-03 2012-10-23 Honeywell International Inc. Limit switch assembly
KR200473509Y1 (ko) * 2013-06-21 2014-07-09 배한국 차량용 트렁크 자동 열림 장치
JP6912991B2 (ja) * 2017-10-11 2021-08-04 株式会社東海理化電機製作所 スイッチ装置
JP7406725B2 (ja) * 2020-03-31 2023-12-28 スズキ株式会社 バックドア構造
WO2022032441A1 (zh) * 2020-08-10 2022-02-17 赵加林 一种高效防水的水底灯
KR102401461B1 (ko) * 2020-12-18 2022-05-23 구창훈 영구자석을 이용한 완전방수 푸시 스위치

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US5063277A (en) * 1989-06-28 1991-11-05 Daiichi Denso Buhin Co., Ltd. Waterproof and dustproof push switch
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JPH0719932U (ja) * 1993-09-20 1995-04-07 株式会社東海理化電機製作所 スイッチ装置
JP3608409B2 (ja) 1998-12-18 2005-01-12 三菱自動車エンジニアリング株式会社 車両用開閉パネル構造
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2090728A2 (de) * 2008-02-18 2009-08-19 Zanini S.p.A. Entsperrvorrichtung, insbesondere für Kraftfahrzeugtüren
EP2090728A3 (de) * 2008-02-18 2013-06-05 Zanini S.p.A. Entsperrvorrichtung, insbesondere für Kraftfahrzeugtüren
WO2012093219A1 (fr) * 2011-01-06 2012-07-12 Peugeot Citroen Automobiles Sa Commande d'ouverture de l'ouvrant arriere d'un vehicule automobile fixee sur le pare-choc de ce vehicule.
FR2970282A1 (fr) * 2011-01-06 2012-07-13 Peugeot Citroen Automobiles Sa Commande d'ouverture de l'ouvrant arriere d'un vehicule automobile fixee sur le pare-choc de ce vehicule.
CN105050841B (zh) * 2013-03-15 2017-03-29 本田制锁有限公司 车辆用按钮开关装置

Also Published As

Publication number Publication date
DE60143072D1 (de) 2010-10-28
US6576854B2 (en) 2003-06-10
EP1213733A3 (de) 2004-08-18
JP3907403B2 (ja) 2007-04-18
US20020079206A1 (en) 2002-06-27
JP2002175736A (ja) 2002-06-21
EP1213733B1 (de) 2010-09-15

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